Bug 3409 - meta-toolchain-qte fails to find c++ headers when relocated
Summary: meta-toolchain-qte fails to find c++ headers when relocated
Status: RESOLVED FIXED
Alias: None
Product: OE-Core
Classification: Build System, Metadata & Runtime
Component: devtools / tool chain (show other bugs)
Version: 1.3
Hardware: x86 Multiple
: Medium normal
Target Milestone: 1.4
Assignee: Laurentiu Palcu
QA Contact:
URL:
Whiteboard:
Depends on:
Blocks:
 
Reported: 2012-11-12 16:02 UTC by Eric Bénard
Modified: 2012-11-26 09:36 UTC (History)
3 users (show)

See Also:
OS type for building Yocto: ---
Type of Regression: ---
Verified:
Documentation change: ---

Attachments
qt helloworld (375 bytes, text/plain)
2012-11-12 16:02 UTC, Eric Bénard 		no flags Details
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Eric Bénard 2012-11-12 16:02:56 UTC 
Created attachment 938 [details]
qt helloworld

After compiling meta-toolchain-qte with danny for an armv7 :

- if I install the sdk in $HOME/WORK/test/sdk
then I try to compile a helloworld QT project with qmake, make, that fails with :
/home/ebenard/WORK/test/sdk/sysroots/armv7a-vfp-neon-oe-linux-gnueabi//usr/include/qtopia/QtCore/qglobal.h:68:21: fatal error: algorithm: No such file or directory
of course the file is there.

- if I install the sdk in /usr/local/oecore-x86_64/
then the same project compiles fine (and runs fine on the target).

so it seems there is an issue to find the headers when the SDK is relocated.
Comment 1 Laurentiu Palcu 2012-11-23 08:38:07 UTC 
You're probably missing the --sysroot option. I compiled your application just fine with the following line:

$ $CXX -I$OE_QMAKE_INCDIR_QT -I$OE_QMAKE_INCDIR_QT/QtGui -L$OE_QMAKE_LIBDIR_QT $OE_QMAKE_LDFLAGS -o test test.cpp -lQtGuiE -lQtCoreE

$CXX has the --sysroot included. However, $OE_QMAKE_CXX doesn't. So, you'll have to provide it the --sysroot option. If the --sysroot is missing then I get the error you specified in the bug description.

Install in the default location will work because the toolchain has been compiled with a default sysroot.
Comment 2 Eric Bénard 2012-11-23 08:41:16 UTC 
Shouldn't we expect the --sysroot option to be automatically added in
the SDK's environment variables when relocating it so that the end user
doesn't have to take care of that ?
Comment 3 Laurentiu Palcu 2012-11-23 08:53:32 UTC 
CXX variable has --sysroot included. This is not a relocation issue. This is just OE_QMAKE_CXX/OE_QMAKE_CC not including the --sysroot option. I'll send a patch for that.
Comment 4 Laurentiu Palcu 2012-11-23 08:57:13 UTC 
Even though this has nothing to do with relocating the SDK, I agree that the --sysroot has to ba included. So, reopening the issue and will send a patch shortly.
Comment 5 Eric Bénard 2012-11-23 08:57:58 UTC 
OK thanks I understand better now and sorry for the wrong diagnotic.
Comment 6 Laurentiu Palcu 2012-11-23 13:22:47 UTC 
Patch for adding --sysroot to OE_QMAKE_CC/OE_QMAKE_CXX was sent to the mailing list. Review pending...